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Specimen Collection
Parasitology Sample Collection and Handling
Question | Answer |
---|---|
What factors are involved in collecting a specimen for ova and parasite? | Freshness, Time, Type of Container, and Preventing Impurities |
What factors are assessed when conducting a macroscopic examination of stools? | Age of Specimen, Consistency, and Appearance |
When patients fail to collect a specimen normally, what two alternatives can be used? | Purgation and Sigmoidoscopy |
White, chalky stools that are rejected by the lab are affected by what contrast chemical(s)? | Bismuth or barium - post radiological examination |
What two types of samples are considered "critical specimens"? | Any watery specimen or duodenal aspirate |
If a stool cannot be examined right away, what can be done? | The specimen can be preserved for later examination or refrigerated to prevent the breakdown of the cytoplasm. |